Fuel question
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Senior User
Joined: Feb 2004
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Fuel question
Trying to pick some brains here. I've been noticing very little black smoke for the past 3-4 months and trying to figure out why. Still has good power and runs smooth. I do use B20 but have been for about 1 1/2 yrs. Even in the highest setting on the chip, there is very little smoke. Changed fuel and air filters with no change. BTW, there is very little noticeable difference in power from 75 hp setting all the way up to the 140 setting.
My main question is what are some other places I need to check for clogging in the fuel line. Do not have a fuel pressure gauge yet so I'm unsure what pressure I'm at. Everything else seems to be fine. Do have a little white/blue smoke on cold starts but starts easy and GP system checks out fine.
What else do I need to check for junk from using the bio? Any good write ups on cleaning the fuel lines? Any help is appreciated. Trying to clean things up while waiting on funds for reg. return system.
My main question is what are some other places I need to check for clogging in the fuel line. Do not have a fuel pressure gauge yet so I'm unsure what pressure I'm at. Everything else seems to be fine. Do have a little white/blue smoke on cold starts but starts easy and GP system checks out fine.
What else do I need to check for junk from using the bio? Any good write ups on cleaning the fuel lines? Any help is appreciated. Trying to clean things up while waiting on funds for reg. return system.
Posting Guru
Joined: Jan 2008
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From: Bridgewater, VA
I'm glad i found you... i notice very little power difference with the same chip (the 120 and 140 seem to just be a waste of fuel) as for the smoke, the new filter will reduce the smoke since the engine is breathing better creating more combustion (all the black smoke is is unburnt fuel) unsure about the fuel question but i know mine puffs smoke from a low boost push on the skinny peddle i'll be interested to hear what others chime in on
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,111
From: Rio Rico, AZ.
Put your fuel pump at the end of the fuel pickup. It will make all the difference in the world. It's a LOT easier to push a fluid than to pull it toward the pump that is mounted in the frame underneath the driver's seat.
Check in my gallery "fuel pump in the tank" for some pictures to give you ideas on how to get it done.
I just finished making some video recordings of an acceloration run on stock tune. Don't have time to upload it right now but will return tonight and do so.
I think it does pretty good for a 10k lb truck and stock tune..
Check in my gallery "fuel pump in the tank" for some pictures to give you ideas on how to get it done.
I just finished making some video recordings of an acceloration run on stock tune. Don't have time to upload it right now but will return tonight and do so.
I think it does pretty good for a 10k lb truck and stock tune..
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Thanks for thi idea Kwik. I'll be loking into this soon. Trying to figure out what all might need cleaning since using the Bio. I have noticed the fuel drain doesn't open and drain easily. Once had to run a rire through it and last time had to leave the pump turned on and thenopen the drain. Figure there are other little screens which need cleaning also.
As for the air filter, truck wasn't blowing a lot of smoke even with a dirty filter. It does run better with the new filter but not that big of a difference.
Do the fuel pumps weaken with time or just die all at once?
As for the air filter, truck wasn't blowing a lot of smoke even with a dirty filter. It does run better with the new filter but not that big of a difference.
Do the fuel pumps weaken with time or just die all at once?
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,111
From: Rio Rico, AZ.
Here's those videos that I made early AM last week.
http://good-times.webshots.com/album/562417153mSaWoM
http://good-times.webshots.com/album/562417153mSaWoM
Posting Guru
Joined: May 2007
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The trick is to burn all the fuel that black smoke is unburnt fuel USLD mixed with Bio won't smoke as much, pure bio is even better. Watch Auddi racing car it is a diesel don't smoke hardly at all. That means they are burning all the fuel they are putting in. Your looking to get the air and fuel mix right, less smoke. Remember that black smoke is wasted fuel and power!
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Post Fiend
Joined: Sep 2006
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From: Millbrook Alabama
Originally Posted by jsmahan
Trying to pick some brains here. I've been noticing very little black smoke for the past 3-4 months and trying to figure out why. Still has good power and runs smooth. I do use B20 but have been for about 1 1/2 yrs. Even in the highest setting on the chip, there is very little smoke. Changed fuel and air filters with no change. BTW, there is very little noticeable difference in power from 75 hp setting all the way up to the 140 setting.
My main question is what are some other places I need to check for clogging in the fuel line. Do not have a fuel pressure gauge yet so I'm unsure what pressure I'm at. Everything else seems to be fine. Do have a little white/blue smoke on cold starts but starts easy and GP system checks out fine.
What else do I need to check for junk from using the bio? Any good write ups on cleaning the fuel lines? Any help is appreciated. Trying to clean things up while waiting on funds for reg. return system.
My main question is what are some other places I need to check for clogging in the fuel line. Do not have a fuel pressure gauge yet so I'm unsure what pressure I'm at. Everything else seems to be fine. Do have a little white/blue smoke on cold starts but starts easy and GP system checks out fine.
What else do I need to check for junk from using the bio? Any good write ups on cleaning the fuel lines? Any help is appreciated. Trying to clean things up while waiting on funds for reg. return system.
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Posting Guru
Joined: Oct 2007
Posts: 2,225
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From: Farmington, Minnesota
Originally Posted by Kwikkordead
Here's those videos that I made early AM last week.
http://good-times.webshots.com/album/562417153mSaWoM
http://good-times.webshots.com/album/562417153mSaWoM
Gone, but not forgotten
Joined: Oct 2005
Posts: 5,026
Likes: 2
From: Charlotte-Fairbanks-Bflo
[QUOTE=bdrummonds]Clean(or replace) your EBPS tube, look here. http://guzzle.rbmicro.com/ebps.html[/QUOTE]
Are these directions good for the 99.5 too?
Are these directions good for the 99.5 too?
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Senior User
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Seems as everything is pointing to the EBPS. Retrieved a code w/ AE last time it was hooked up related to the sensor. Also performance is a little less than normal and mileage is down a lot. Guess I've got something to do this weekend.
Post Fiend
Joined: Sep 2006
Posts: 5,584
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From: Millbrook Alabama
[QUOTE=Markadeck]
Yes, the same directions and part numbers(if any) apply.
IF you get under there and find that your EBPS tube has a hole in it or is broken, you can make one from steel brakeline avail at all auto part stores, a cheap tube bender, and a double flare tool. $4 for brake line, $7 for tube bender, $9 for flare tool. just remove the ferrules and the nuts from your old line and put them on the new line and bend away.
Or you can buy one for $40 from dealer
Originally Posted by bdrummonds
Clean(or replace) your EBPS tube, look here. http://guzzle.rbmicro.com/ebps.html[/QUOTE]
Are these directions good for the 99.5 too?
Are these directions good for the 99.5 too?
IF you get under there and find that your EBPS tube has a hole in it or is broken, you can make one from steel brakeline avail at all auto part stores, a cheap tube bender, and a double flare tool. $4 for brake line, $7 for tube bender, $9 for flare tool. just remove the ferrules and the nuts from your old line and put them on the new line and bend away.
Or you can buy one for $40 from dealer
Gone, but not forgotten
Joined: Oct 2005
Posts: 5,026
Likes: 2
From: Charlotte-Fairbanks-Bflo
[QUOTE=bdrummonds]
Yes, the same directions and part numbers(if any) apply.
IF you get under there and find that your EBPS tube has a hole in it or is broken, you can make one from steel brakeline avail at all auto part stores, a cheap tube bender, and a double flare tool. $4 for brake line, $7 for tube bender, $9 for flare tool. just remove the ferrules and the nuts from your old line and put them on the new line and bend away.
Or you can buy one for $40 from dealer
Thanx y'all, now I'm going to print it, and then look at the tube tomorrow. Kind of surprised it took so long to get an answer on this super forum.
Originally Posted by Markadeck
Yes, the same directions and part numbers(if any) apply.
IF you get under there and find that your EBPS tube has a hole in it or is broken, you can make one from steel brakeline avail at all auto part stores, a cheap tube bender, and a double flare tool. $4 for brake line, $7 for tube bender, $9 for flare tool. just remove the ferrules and the nuts from your old line and put them on the new line and bend away.
Or you can buy one for $40 from dealer
Post Fiend
Joined: Sep 2006
Posts: 5,584
Likes: 0
From: Millbrook Alabama
[QUOTE=Markadeck]
Thanx y'all, now I'm going to print it, and then look at the tube tomorrow. Kind of surprised it took so long to get an answer on this super forum.
Sorry, had to do a little work, go to grocery store, get kids from cheerleading, etc....
Originally Posted by bdrummonds
Thanx y'all, now I'm going to print it, and then look at the tube tomorrow. Kind of surprised it took so long to get an answer on this super forum.
Posting Guru
Joined: Feb 2007
Posts: 1,146
Likes: 3
From: Bradenton FL
Your pretty Quik on the stick too Dan, most guys arent near that fast with a standard
I used to drive an 03 Cummings 6speed for work and it took me forever to shift it that fast, with the long throw and all, i used to start out in 2nd anyway when jumpin on it
Are you able to moniter fuel pressure at that high of RPMs? Is that pump holding better at high RPMs?
The longer i mess with my truck and read about the more im convinced most of any quirks with the 7.3 is fuel pressure.
I used to drive an 03 Cummings 6speed for work and it took me forever to shift it that fast, with the long throw and all, i used to start out in 2nd anyway when jumpin on it Are you able to moniter fuel pressure at that high of RPMs? Is that pump holding better at high RPMs?
The longer i mess with my truck and read about the more im convinced most of any quirks with the 7.3 is fuel pressure.